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# OLIVETTI
M300-28 PCS44 (BA362)
Processor 80486SX/80487SX/80486DX/80486DX2
Processor Speed 25/50(internal)MHz
Chip Set Unidentified
Video Chip Set Oak Technology
Maximum Onboard 20MB
Memory
Maximum Video 512KB
Memory
Cache None
BIOS Unidentified
Dimensions 254mm x 218mm
I/O Options Floppy drive interface, IDE interface,
parallel port, PS/2 mouse port, serial port,
feature connector, VGA port, riser slot,
joystick port
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Feature connector | CN1 | VGA port | CN6 |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | CN2 | IDE interface | CN7 |
|-------------------+----------+------------------+----------|
| Serial port | CN3 | Floppy drive | CN8 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Parallel port | CN4 | Riser slot | SL1 |
|-------------------+----------+------------------+----------|
| Joystick port | CN5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+---------+------------|
| » | CMOS memory normal operation | JP6 | Open |
|---+---------------------------------+---------+------------|
| | CMOS memory clear | JP6 | Closed |
|---+---------------------------------+---------+------------|
| » | Password normal operation | JP7 | Open |
|---+---------------------------------+---------+------------|
| | Password clear | JP7 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 4MB | 4MB | None |
|------------------+--------------------+--------------------|
| 8MB | 4MB | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 12MB | 4MB | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 20MB | 4MB | (1) 4M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Note: 512KB video memory is factory installed and is not |
| configurable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP1 |
|----------------------------------+-------------------------|
| 80486SX (PQFP) | Open |
|----------------------------------+-------------------------|
| 80486DX | Closed |
|----------------------------------+-------------------------|
| 80486DX2 | Closed |
|------------------------------------------------------------|
| Note: If 80487SX or Overdrive processor is installed in |
| the PGA socket, system will auto detect CPU and no jumper |
| setting is necessary. |
+------------------------------------------------------------+